REFERENCES
- Barbosa, F. S. (1963). Survival in the field of Australorbis glabratus infected with Schistosoma mansoni. J. Parasit., 49, 149.
- Etges, F. J., and Gresso, W. (1965). Effect of Schistosoma mansoni on fecundity in Australorbis glabratus J. Parasit., 51, 757.
- Foster, R. (1964). The effect of temperature on the development of Schistosoma mansoni Sambon 1907 in the intermediate host. J. trop. Med. Hyg., 67, 289.
- McClelland, W. F. J. (1965). Individual and mass exposure of Bulinus nasutus to Schistosoma haematobium and Biomphalaria sudanica to S. mansoni, and the effects of concentration of miracidia on infection rates. Proc. Cent. Afr. Sci. Med. Congr., 1963, 819.
- Pan, C. (1963). Some biochemical and immunological aspects of host-parasite relations: generalised and focal tissue responses in the snail, Australorbis glabratus, infected with Schistosoma mansoni. Ann. N. Y. Acad. Sci., 113, 475.
- Shiff, C. J. (1964a). Studies on Bulinus (Physopsis) globosas in Rhodesia. I: The influence of temperature on the intrinsic rate of natural increase. Ann. trop. Med. Parasit., 58, 94.
- Shiff, C. J. (1964b). Studies on Bulinus (Physopsis) globosus in Rhodesia. II: Factors influencing the relationship between age and growth. Ibid., 58, 106.
- Stirewalt, M. A. (1954). Effect of snail maintenance temperatures on development of Schistosoma mansoni. Expl Parasit., 3, 504.
- Sturrock, B. M. (1966). The influence of infection with Schistosoma mansoni on the growth rate and reproduction of Biomphalaria pfeifferi. Ann. trop. Med. Parasit., 60, 187.
- Sturrock, B. M. (1967). The effect of infection with Schistosoma haematobium on the growth and reproduction rates of Bulinus (Physopsis) nasutus productus. Ibid., 61, 321.
- Sturrock, R. F. (1965). Studies on the biology of Biomphalaria angulosa Mandahl-Barth and on its ability to act as an intermediate host of Schistosoma mansoni. Arm. trop. Med. Parasit., 59, 1.